graal-jvmci-8: src/share/vm/oops/cpCache.cpp annotate

annotate src/share/vm/oops/cpCache.cpp @ 24170:0b85ccd62409 jdk8u131-b01

8168699: Validate special case invocations Reviewed-by: kevinw, vlivanov

author	coleenp
date	Tue, 13 Dec 2016 14:37:04 -0500
parents	157895117ad5
children	719853999215

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
24170 0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	2 * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	26 #include "gc_implementation/shared/markSweep.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	27 #include "interpreter/interpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	28 #include "interpreter/rewriter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	29 #include "memory/universe.inline.hpp"
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	30 #include "oops/cpCache.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	31 #include "oops/objArrayOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	32 #include "oops/oop.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	33 #include "prims/jvmtiRedefineClassesTrace.hpp"
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	34 #include "prims/methodHandles.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1903 diff changeset	35 #include "runtime/handles.inline.hpp"
20197 ce8f6bb717c9 8042195: Introduce umbrella header orderAccess.inline.hpp. goetz parents: 17977 diff changeset	36 #include "runtime/orderAccess.inline.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6985 diff changeset	37 #include "utilities/macros.hpp"
db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6985 diff changeset	38 #if INCLUDE_ALL_GCS
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	39 # include "gc_implementation/parallelScavenge/psPromotionManager.hpp"
8001 db9981fd3124 8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS jprovino parents: 6985 diff changeset	40 #endif // INCLUDE_ALL_GCS
0 a61af66fc99e Initial load duke parents: diff changeset	41
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 14443 diff changeset	42 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
0 a61af66fc99e Initial load duke parents: diff changeset	43
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 14443 diff changeset	44 // Implementation of ConstantPoolCacheEntry
0 a61af66fc99e Initial load duke parents: diff changeset	45
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	46 void ConstantPoolCacheEntry::initialize_entry(int index) {
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	47 assert(0 < index && index < 0x10000, "sanity check");
0 a61af66fc99e Initial load duke parents: diff changeset	48 _indices = index;
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	49 _f1 = NULL;
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	50 _f2 = _flags = 0;
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	51 assert(constant_pool_index() == index, "");
0 a61af66fc99e Initial load duke parents: diff changeset	52 }
a61af66fc99e Initial load duke parents: diff changeset	53
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	54 int ConstantPoolCacheEntry::make_flags(TosState state,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	55 int option_bits,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	56 int field_index_or_method_params) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	57 assert(state < number_of_states, "Invalid state in make_flags");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	58 int f = ((int)state << tos_state_shift) \| option_bits \| field_index_or_method_params;
0 a61af66fc99e Initial load duke parents: diff changeset	59 // Preserve existing flag bit values
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	60 // The low bits are a field offset, or else the method parameter size.
0 a61af66fc99e Initial load duke parents: diff changeset	61 #ifdef ASSERT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	62 TosState old_state = flag_state();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	63 assert(old_state == (TosState)0 \|\| old_state == state,
0 a61af66fc99e Initial load duke parents: diff changeset	64 "inconsistent cpCache flags state");
a61af66fc99e Initial load duke parents: diff changeset	65 #endif
a61af66fc99e Initial load duke parents: diff changeset	66 return (_flags \| f) ;
a61af66fc99e Initial load duke parents: diff changeset	67 }
a61af66fc99e Initial load duke parents: diff changeset	68
a61af66fc99e Initial load duke parents: diff changeset	69 void ConstantPoolCacheEntry::set_bytecode_1(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	70 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	71 // Read once.
a61af66fc99e Initial load duke parents: diff changeset	72 volatile Bytecodes::Code c = bytecode_1();
a61af66fc99e Initial load duke parents: diff changeset	73 assert(c == 0 \|\| c == code \|\| code == 0, "update must be consistent");
a61af66fc99e Initial load duke parents: diff changeset	74 #endif
a61af66fc99e Initial load duke parents: diff changeset	75 // Need to flush pending stores here before bytecode is written.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	76 OrderAccess::release_store_ptr(&_indices, _indices \| ((u_char)code << bytecode_1_shift));
0 a61af66fc99e Initial load duke parents: diff changeset	77 }
a61af66fc99e Initial load duke parents: diff changeset	78
a61af66fc99e Initial load duke parents: diff changeset	79 void ConstantPoolCacheEntry::set_bytecode_2(Bytecodes::Code code) {
a61af66fc99e Initial load duke parents: diff changeset	80 #ifdef ASSERT
a61af66fc99e Initial load duke parents: diff changeset	81 // Read once.
a61af66fc99e Initial load duke parents: diff changeset	82 volatile Bytecodes::Code c = bytecode_2();
a61af66fc99e Initial load duke parents: diff changeset	83 assert(c == 0 \|\| c == code \|\| code == 0, "update must be consistent");
a61af66fc99e Initial load duke parents: diff changeset	84 #endif
a61af66fc99e Initial load duke parents: diff changeset	85 // Need to flush pending stores here before bytecode is written.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	86 OrderAccess::release_store_ptr(&_indices, _indices \| ((u_char)code << bytecode_2_shift));
0 a61af66fc99e Initial load duke parents: diff changeset	87 }
a61af66fc99e Initial load duke parents: diff changeset	88
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	89 // Sets f1, ordering with previous writes.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	90 void ConstantPoolCacheEntry::release_set_f1(Metadata* f1) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	91 assert(f1 != NULL, "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	92 OrderAccess::release_store_ptr((HeapWord*) &_f1, f1);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	93 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	94
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	95 // Sets flags, but only if the value was previously zero.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	96 bool ConstantPoolCacheEntry::init_flags_atomic(intptr_t flags) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	97 intptr_t result = Atomic::cmpxchg_ptr(flags, &_flags, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	98 return (result == 0);
2246 fbf3184da15d 7012339: JSR 292 crash in G1SATBCardTableModRefBS::write_ref_field_pre_work() twisti parents: 1972 diff changeset	99 }
1903 87d6a4d1ecbc 6990192: VM crashes in ciTypeFlow::get_block_for() twisti parents: 1662 diff changeset	100
0 a61af66fc99e Initial load duke parents: diff changeset	101 // Note that concurrent update of both bytecodes can leave one of them
a61af66fc99e Initial load duke parents: diff changeset	102 // reset to zero. This is harmless; the interpreter will simply re-resolve
a61af66fc99e Initial load duke parents: diff changeset	103 // the damaged entry. More seriously, the memory synchronization is needed
a61af66fc99e Initial load duke parents: diff changeset	104 // to flush other fields (f1, f2) completely to memory before the bytecodes
a61af66fc99e Initial load duke parents: diff changeset	105 // are updated, lest other processors see a non-zero bytecode but zero f1/f2.
a61af66fc99e Initial load duke parents: diff changeset	106 void ConstantPoolCacheEntry::set_field(Bytecodes::Code get_code,
a61af66fc99e Initial load duke parents: diff changeset	107 Bytecodes::Code put_code,
a61af66fc99e Initial load duke parents: diff changeset	108 KlassHandle field_holder,
3938 e6b1331a51d2 7086585: make Java field injection more flexible never parents: 3785 diff changeset	109 int field_index,
0 a61af66fc99e Initial load duke parents: diff changeset	110 int field_offset,
a61af66fc99e Initial load duke parents: diff changeset	111 TosState field_type,
a61af66fc99e Initial load duke parents: diff changeset	112 bool is_final,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	113 bool is_volatile,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	114 Klass* root_klass) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	115 set_f1(field_holder());
0 a61af66fc99e Initial load duke parents: diff changeset	116 set_f2(field_offset);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	117 assert((field_index & field_index_mask) == field_index,
0 a61af66fc99e Initial load duke parents: diff changeset	118 "field index does not fit in low flag bits");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	119 set_field_flags(field_type,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	120 ((is_volatile ? 1 : 0) << is_volatile_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	121 ((is_final ? 1 : 0) << is_final_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	122 field_index);
0 a61af66fc99e Initial load duke parents: diff changeset	123 set_bytecode_1(get_code);
a61af66fc99e Initial load duke parents: diff changeset	124 set_bytecode_2(put_code);
a61af66fc99e Initial load duke parents: diff changeset	125 NOT_PRODUCT(verify(tty));
a61af66fc99e Initial load duke parents: diff changeset	126 }
a61af66fc99e Initial load duke parents: diff changeset	127
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	128 void ConstantPoolCacheEntry::set_parameter_size(int value) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	129 // This routine is called only in corner cases where the CPCE is not yet initialized.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	130 // See AbstractInterpreter::deopt_continue_after_entry.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	131 assert(_flags == 0 \|\| parameter_size() == 0 \|\| parameter_size() == value,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	132 err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	133 // Setting the parameter size by itself is only safe if the
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	134 // current value of _flags is 0, otherwise another thread may have
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	135 // updated it and we don't want to overwrite that value. Don't
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	136 // bother trying to update it once it's nonzero but always make
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	137 // sure that the final parameter size agrees with what was passed.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	138 if (_flags == 0) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	139 Atomic::cmpxchg_ptr((value & parameter_size_mask), &_flags, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	140 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	141 guarantee(parameter_size() == value,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	142 err_msg("size must not change: parameter_size=%d, value=%d", parameter_size(), value));
0 a61af66fc99e Initial load duke parents: diff changeset	143 }
a61af66fc99e Initial load duke parents: diff changeset	144
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	145 void ConstantPoolCacheEntry::set_direct_or_vtable_call(Bytecodes::Code invoke_code,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	146 methodHandle method,
24170 0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	147 int vtable_index,
0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	148 bool sender_is_interface) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	149 bool is_vtable_call = (vtable_index >= 0); // FIXME: split this method on this boolean
0 a61af66fc99e Initial load duke parents: diff changeset	150 assert(method->interpreter_entry() != NULL, "should have been set at this point");
a61af66fc99e Initial load duke parents: diff changeset	151 assert(!method->is_obsolete(), "attempt to write obsolete method to cpCache");
a61af66fc99e Initial load duke parents: diff changeset	152
a61af66fc99e Initial load duke parents: diff changeset	153 int byte_no = -1;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	154 bool change_to_virtual = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	155
0 a61af66fc99e Initial load duke parents: diff changeset	156 switch (invoke_code) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	157 case Bytecodes::_invokeinterface:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	158 // We get here from InterpreterRuntime::resolve_invoke when an invokeinterface
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	159 // instruction somehow links to a non-interface method (in Object).
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	160 // In that case, the method has no itable index and must be invoked as a virtual.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	161 // Set a flag to keep track of this corner case.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	162 change_to_virtual = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	163
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	164 // ...and fall through as if we were handling invokevirtual:
0 a61af66fc99e Initial load duke parents: diff changeset	165 case Bytecodes::_invokevirtual:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	166 {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	167 if (!is_vtable_call) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	168 assert(method->can_be_statically_bound(), "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	169 // set_f2_as_vfinal_method checks if is_vfinal flag is true.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	170 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	171 ( 1 << is_vfinal_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	172 ((method->is_final_method() ? 1 : 0) << is_final_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	173 ((change_to_virtual ? 1 : 0) << is_forced_virtual_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	174 method()->size_of_parameters());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	175 set_f2_as_vfinal_method(method());
0 a61af66fc99e Initial load duke parents: diff changeset	176 } else {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	177 assert(!method->can_be_statically_bound(), "");
0 a61af66fc99e Initial load duke parents: diff changeset	178 assert(vtable_index >= 0, "valid index");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	179 assert(!method->is_final_method(), "sanity");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	180 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	181 ((change_to_virtual ? 1 : 0) << is_forced_virtual_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	182 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	183 set_f2(vtable_index);
a61af66fc99e Initial load duke parents: diff changeset	184 }
a61af66fc99e Initial load duke parents: diff changeset	185 byte_no = 2;
a61af66fc99e Initial load duke parents: diff changeset	186 break;
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	187 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	188
0 a61af66fc99e Initial load duke parents: diff changeset	189 case Bytecodes::_invokespecial:
a61af66fc99e Initial load duke parents: diff changeset	190 case Bytecodes::_invokestatic:
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	191 assert(!is_vtable_call, "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	192 // Note: Read and preserve the value of the is_vfinal flag on any
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	193 // invokevirtual bytecode shared with this constant pool cache entry.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	194 // It is cheap and safe to consult is_vfinal() at all times.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	195 // Once is_vfinal is set, it must stay that way, lest we get a dangling oop.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	196 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	197 ((is_vfinal() ? 1 : 0) << is_vfinal_shift) \|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	198 ((method->is_final_method() ? 1 : 0) << is_final_shift),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	199 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	200 set_f1(method());
a61af66fc99e Initial load duke parents: diff changeset	201 byte_no = 1;
a61af66fc99e Initial load duke parents: diff changeset	202 break;
a61af66fc99e Initial load duke parents: diff changeset	203 default:
a61af66fc99e Initial load duke parents: diff changeset	204 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	205 break;
a61af66fc99e Initial load duke parents: diff changeset	206 }
a61af66fc99e Initial load duke parents: diff changeset	207
a61af66fc99e Initial load duke parents: diff changeset	208 // Note: byte_no also appears in TemplateTable::resolve.
a61af66fc99e Initial load duke parents: diff changeset	209 if (byte_no == 1) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	210 assert(invoke_code != Bytecodes::_invokevirtual &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	211 invoke_code != Bytecodes::_invokeinterface, "");
24170 0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	212 // Don't mark invokespecial to method as resolved if sender is an interface. The receiver
0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	213 // has to be checked that it is a subclass of the current class every time this bytecode
0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	214 // is executed.
0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	215 if (invoke_code != Bytecodes::_invokespecial \|\| !sender_is_interface \|\|
0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	216 method->name() == vmSymbols::object_initializer_name()) {
0 a61af66fc99e Initial load duke parents: diff changeset	217 set_bytecode_1(invoke_code);
24170 0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	218 }
0 a61af66fc99e Initial load duke parents: diff changeset	219 } else if (byte_no == 2) {
a61af66fc99e Initial load duke parents: diff changeset	220 if (change_to_virtual) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	221 assert(invoke_code == Bytecodes::_invokeinterface, "");
0 a61af66fc99e Initial load duke parents: diff changeset	222 // NOTE: THIS IS A HACK - BE VERY CAREFUL!!!
a61af66fc99e Initial load duke parents: diff changeset	223 //
a61af66fc99e Initial load duke parents: diff changeset	224 // Workaround for the case where we encounter an invokeinterface, but we
a61af66fc99e Initial load duke parents: diff changeset	225 // should really have an _invokevirtual since the resolved method is a
a61af66fc99e Initial load duke parents: diff changeset	226 // virtual method in java.lang.Object. This is a corner case in the spec
a61af66fc99e Initial load duke parents: diff changeset	227 // but is presumably legal. javac does not generate this code.
a61af66fc99e Initial load duke parents: diff changeset	228 //
a61af66fc99e Initial load duke parents: diff changeset	229 // We set bytecode_1() to _invokeinterface, because that is the
a61af66fc99e Initial load duke parents: diff changeset	230 // bytecode # used by the interpreter to see if it is resolved.
a61af66fc99e Initial load duke parents: diff changeset	231 // We set bytecode_2() to _invokevirtual.
a61af66fc99e Initial load duke parents: diff changeset	232 // See also interpreterRuntime.cpp. (8/25/2000)
a61af66fc99e Initial load duke parents: diff changeset	233 // Only set resolved for the invokeinterface case if method is public.
a61af66fc99e Initial load duke parents: diff changeset	234 // Otherwise, the method needs to be reresolved with caller for each
a61af66fc99e Initial load duke parents: diff changeset	235 // interface call.
a61af66fc99e Initial load duke parents: diff changeset	236 if (method->is_public()) set_bytecode_1(invoke_code);
a61af66fc99e Initial load duke parents: diff changeset	237 } else {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	238 assert(invoke_code == Bytecodes::_invokevirtual, "");
0 a61af66fc99e Initial load duke parents: diff changeset	239 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	240 // set up for invokevirtual, even if linking for invokeinterface also:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	241 set_bytecode_2(Bytecodes::_invokevirtual);
0 a61af66fc99e Initial load duke parents: diff changeset	242 } else {
a61af66fc99e Initial load duke parents: diff changeset	243 ShouldNotReachHere();
a61af66fc99e Initial load duke parents: diff changeset	244 }
a61af66fc99e Initial load duke parents: diff changeset	245 NOT_PRODUCT(verify(tty));
a61af66fc99e Initial load duke parents: diff changeset	246 }
a61af66fc99e Initial load duke parents: diff changeset	247
24170 0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	248 void ConstantPoolCacheEntry::set_direct_call(Bytecodes::Code invoke_code, methodHandle method,
0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	249 bool sender_is_interface) {
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	250 int index = Method::nonvirtual_vtable_index;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	251 // index < 0; FIXME: inline and customize set_direct_or_vtable_call
24170 0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	252 set_direct_or_vtable_call(invoke_code, method, index, sender_is_interface);
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	253 }
0 a61af66fc99e Initial load duke parents: diff changeset	254
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	255 void ConstantPoolCacheEntry::set_vtable_call(Bytecodes::Code invoke_code, methodHandle method, int index) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	256 // either the method is a miranda or its holder should accept the given index
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	257 assert(method->method_holder()->is_interface() \|\| method->method_holder()->verify_vtable_index(index), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	258 // index >= 0; FIXME: inline and customize set_direct_or_vtable_call
24170 0b85ccd62409 8168699: Validate special case invocations coleenp parents: 22991 diff changeset	259 set_direct_or_vtable_call(invoke_code, method, index, false);
12264 b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	260 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	261
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	262 void ConstantPoolCacheEntry::set_itable_call(Bytecodes::Code invoke_code, methodHandle method, int index) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	263 assert(method->method_holder()->verify_itable_index(index), "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation drchase parents: 10376 diff changeset	264 assert(invoke_code == Bytecodes::_invokeinterface, "");
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	265 InstanceKlass* interf = method->method_holder();
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	266 assert(interf->is_interface(), "must be an interface");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	267 assert(!method->is_final_method(), "interfaces do not have final methods; cannot link to one here");
0 a61af66fc99e Initial load duke parents: diff changeset	268 set_f1(interf);
a61af66fc99e Initial load duke parents: diff changeset	269 set_f2(index);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	270 set_method_flags(as_TosState(method->result_type()),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	271 0, // no option bits
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	272 method()->size_of_parameters());
0 a61af66fc99e Initial load duke parents: diff changeset	273 set_bytecode_1(Bytecodes::_invokeinterface);
a61af66fc99e Initial load duke parents: diff changeset	274 }
a61af66fc99e Initial load duke parents: diff changeset	275
a61af66fc99e Initial load duke parents: diff changeset	276
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	277 void ConstantPoolCacheEntry::set_method_handle(constantPoolHandle cpool, const CallInfo &call_info) {
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	278 set_method_handle_common(cpool, Bytecodes::_invokehandle, call_info);
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	279 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	280
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	281 void ConstantPoolCacheEntry::set_dynamic_call(constantPoolHandle cpool, const CallInfo &call_info) {
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	282 set_method_handle_common(cpool, Bytecodes::_invokedynamic, call_info);
1660 083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	283 }
083fde3b838e 6964498: JSR 292 invokedynamic sites need local bootstrap methods jrose parents: 1552 diff changeset	284
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	285 void ConstantPoolCacheEntry::set_method_handle_common(constantPoolHandle cpool,
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	286 Bytecodes::Code invoke_code,
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	287 const CallInfo &call_info) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	288 // NOTE: This CPCE can be the subject of data races.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	289 // There are three words to update: flags, refs[f2], f1 (in that order).
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	290 // Writers must store all other values before f1.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	291 // Readers must test f1 first for non-null before reading other fields.
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	292 // Competing writers must acquire exclusive access via a lock.
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	293 // A losing writer waits on the lock until the winner writes f1 and leaves
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	294 // the lock, so that when the losing writer returns, he can use the linked
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	295 // cache entry.
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	296
12946 b8860472c377 8014910: deadlock between JVM/TI ClassPrepare event handler and CompilerThread iklam parents: 12316 diff changeset	297 MonitorLockerEx ml(cpool->lock());
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	298 if (!is_f1_null()) {
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	299 return;
4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	300 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	301
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	302 const methodHandle adapter = call_info.resolved_method();
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	303 const Handle appendix = call_info.resolved_appendix();
64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	304 const Handle method_type = call_info.resolved_method_type();
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	305 const bool has_appendix = appendix.not_null();
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	306 const bool has_method_type = method_type.not_null();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	307
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	308 // Write the flags.
6737 4bfe8b33cf66 7196242: vm/mlvm/indy/stress/java/loopsAndThreads crashed twisti parents: 6725 diff changeset	309 set_method_flags(as_TosState(adapter->result_type()),
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	310 ((has_appendix ? 1 : 0) << has_appendix_shift ) \|
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	311 ((has_method_type ? 1 : 0) << has_method_type_shift) \|
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	312 ( 1 << is_final_shift ),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	313 adapter->size_of_parameters());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	314
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	315 if (TraceInvokeDynamic) {
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	316 tty->print_cr("set_method_handle bc=%d appendix="PTR_FORMAT"%s method_type="PTR_FORMAT"%s method="PTR_FORMAT" ",
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	317 invoke_code,
12316 190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12264 diff changeset	318 (void *)appendix(), (has_appendix ? "" : " (unused)"),
190899198332 7195622: CheckUnhandledOops has limited usefulness now hseigel parents: 12264 diff changeset	319 (void *)method_type(), (has_method_type ? "" : " (unused)"),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	320 (intptr_t)adapter());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	321 adapter->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	322 if (has_appendix) appendix()->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	323 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	324
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	325 // Method handle invokes and invokedynamic sites use both cp cache words.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	326 // refs[f2], if not null, contains a value passed as a trailing argument to the adapter.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	327 // In the general case, this could be the call site's MethodType,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	328 // for use with java.lang.Invokers.checkExactType, or else a CallSite object.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	329 // f1 contains the adapter method which manages the actual call.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	330 // In the general case, this is a compiled LambdaForm.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	331 // (The Java code is free to optimize these calls by binding other
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	332 // sorts of methods and appendices to call sites.)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	333 // JVM-level linking is via f1, as if for invokespecial, and signatures are erased.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	334 // The appendix argument (if any) is added to the signature, and is counted in the parameter_size bits.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	335 // Even with the appendix, the method will never take more than 255 parameter slots.
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	336 //
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	337 // This means that given a call site like (List)mh.invoke("foo"),
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	338 // the f1 method has signature '(Ljl/Object;Ljl/invoke/MethodType;)Ljl/Object;',
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	339 // not '(Ljava/lang/String;)Ljava/util/List;'.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	340 // The fact that String and List are involved is encoded in the MethodType in refs[f2].
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	341 // This allows us to create fewer method oops, while keeping type safety.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	342 //
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	343
6942 64672b22ef05 8001658: No need to pass resolved_references as argument to ConstantPoolCacheEntry::set_method_handle_common twisti parents: 6822 diff changeset	344 objArrayHandle resolved_references = cpool->resolved_references();
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	345 // Store appendix, if any.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	346 if (has_appendix) {
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	347 const int appendix_index = f2_as_index() + _indy_resolved_references_appendix_offset;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	348 assert(appendix_index >= 0 && appendix_index < resolved_references->length(), "oob");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	349 assert(resolved_references->obj_at(appendix_index) == NULL, "init just once");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	350 resolved_references->obj_at_put(appendix_index, appendix());
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	351 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	352
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	353 // Store MethodType, if any.
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	354 if (has_method_type) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	355 const int method_type_index = f2_as_index() + _indy_resolved_references_method_type_offset;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	356 assert(method_type_index >= 0 && method_type_index < resolved_references->length(), "oob");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	357 assert(resolved_references->obj_at(method_type_index) == NULL, "init just once");
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	358 resolved_references->obj_at_put(method_type_index, method_type());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	359 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	360
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	361 release_set_f1(adapter()); // This must be the last one to set (see NOTE above)!
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	362
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	363 // The interpreter assembly code does not check byte_2,
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	364 // but it is used by is_resolved, method_if_resolved, etc.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	365 set_bytecode_1(invoke_code);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	366 NOT_PRODUCT(verify(tty));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	367 if (TraceInvokeDynamic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	368 this->print(tty, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	369 }
726 be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	370 }
be93aad57795 6655646: dynamic languages need dynamically linked call sites jrose parents: 196 diff changeset	371
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	372 Method* ConstantPoolCacheEntry::method_if_resolved(constantPoolHandle cpool) {
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	373 // Decode the action of set_method and set_interface_call
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	374 Bytecodes::Code invoke_code = bytecode_1();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	375 if (invoke_code != (Bytecodes::Code)0) {
14443 3205e78d8193 8029396: PPC64 (part 212): Several memory ordering fixes in C-code. goetz parents: 13056 diff changeset	376 Metadata* f1 = f1_ord();
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	377 if (f1 != NULL) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	378 switch (invoke_code) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	379 case Bytecodes::_invokeinterface:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	380 assert(f1->is_klass(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	381 return klassItable::method_for_itable_index((Klass*)f1, f2_as_index());
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	382 case Bytecodes::_invokestatic:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	383 case Bytecodes::_invokespecial:
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	384 assert(!has_appendix(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	385 case Bytecodes::_invokehandle:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	386 case Bytecodes::_invokedynamic:
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	387 assert(f1->is_method(), "");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	388 return (Method*)f1;
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	389 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	390 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	391 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	392 invoke_code = bytecode_2();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	393 if (invoke_code != (Bytecodes::Code)0) {
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	394 switch (invoke_code) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	395 case Bytecodes::_invokevirtual:
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	396 if (is_vfinal()) {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	397 // invokevirtual
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	398 Method* m = f2_as_vfinal_method();
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	399 assert(m->is_method(), "");
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	400 return m;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	401 } else {
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	402 int holder_index = cpool->uncached_klass_ref_index_at(constant_pool_index());
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	403 if (cpool->tag_at(holder_index).is_klass()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	404 Klass* klass = cpool->resolved_klass_at(holder_index);
6983 070d523b96a7 8001471: Klass::cast() does nothing hseigel parents: 6940 diff changeset	405 if (!klass->oop_is_instance())
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	406 klass = SystemDictionary::Object_klass();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	407 return InstanceKlass::cast(klass)->method_at_vtable(f2_as_index());
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	408 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	409 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	410 break;
3785 ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	411 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	412 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	413 return NULL;
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	414 }
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	415
ddd894528dbc 7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path jrose parents: 3279 diff changeset	416
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	417 oop ConstantPoolCacheEntry::appendix_if_resolved(constantPoolHandle cpool) {
17977 0b9500028980 8029381: assert(is_method_type()) failed: bad cast drchase parents: 17937 diff changeset	418 if (!has_appendix())
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	419 return NULL;
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	420 const int ref_index = f2_as_index() + _indy_resolved_references_appendix_offset;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	421 objArrayOop resolved_references = cpool->resolved_references();
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	422 return resolved_references->obj_at(ref_index);
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	423 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	424
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	425
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	426 oop ConstantPoolCacheEntry::method_type_if_resolved(constantPoolHandle cpool) {
17977 0b9500028980 8029381: assert(is_method_type()) failed: bad cast drchase parents: 17937 diff changeset	427 if (!has_method_type())
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	428 return NULL;
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	429 const int ref_index = f2_as_index() + _indy_resolved_references_method_type_offset;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	430 objArrayOop resolved_references = cpool->resolved_references();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	431 return resolved_references->obj_at(ref_index);
0 a61af66fc99e Initial load duke parents: diff changeset	432 }
a61af66fc99e Initial load duke parents: diff changeset	433
a61af66fc99e Initial load duke parents: diff changeset	434
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	435 #if INCLUDE_JVMTI
0 a61af66fc99e Initial load duke parents: diff changeset	436 // RedefineClasses() API support:
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	437 // If this ConstantPoolCacheEntry refers to old_method then update it
0 a61af66fc99e Initial load duke parents: diff changeset	438 // to refer to new_method.
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	439 bool ConstantPoolCacheEntry::adjust_method_entry(Method* old_method,
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	440 Method* new_method, bool * trace_name_printed) {
0 a61af66fc99e Initial load duke parents: diff changeset	441
a61af66fc99e Initial load duke parents: diff changeset	442 if (is_vfinal()) {
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	443 // virtual and final so _f2 contains method ptr instead of vtable index
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	444 if (f2_as_vfinal_method() == old_method) {
0 a61af66fc99e Initial load duke parents: diff changeset	445 // match old_method so need an update
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	446 // NOTE: can't use set_f2_as_vfinal_method as it asserts on different values
0 a61af66fc99e Initial load duke parents: diff changeset	447 _f2 = (intptr_t)new_method;
a61af66fc99e Initial load duke parents: diff changeset	448 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
a61af66fc99e Initial load duke parents: diff changeset	449 if (!(*trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	450 // RC_TRACE_MESG macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	451 RC_TRACE_MESG(("adjust: name=%s",
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	452 old_method->method_holder()->external_name()));
0 a61af66fc99e Initial load duke parents: diff changeset	453 *trace_name_printed = true;
a61af66fc99e Initial load duke parents: diff changeset	454 }
a61af66fc99e Initial load duke parents: diff changeset	455 // RC_TRACE macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	456 RC_TRACE(0x00400000, ("cpc vf-entry update: %s(%s)",
a61af66fc99e Initial load duke parents: diff changeset	457 new_method->name()->as_C_string(),
a61af66fc99e Initial load duke parents: diff changeset	458 new_method->signature()->as_C_string()));
a61af66fc99e Initial load duke parents: diff changeset	459 }
a61af66fc99e Initial load duke parents: diff changeset	460 return true;
a61af66fc99e Initial load duke parents: diff changeset	461 }
a61af66fc99e Initial load duke parents: diff changeset	462
a61af66fc99e Initial load duke parents: diff changeset	463 // f1() is not used with virtual entries so bail out
a61af66fc99e Initial load duke parents: diff changeset	464 return false;
a61af66fc99e Initial load duke parents: diff changeset	465 }
a61af66fc99e Initial load duke parents: diff changeset	466
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	467 if (_f1 == NULL) {
0 a61af66fc99e Initial load duke parents: diff changeset	468 // NULL f1() means this is a virtual entry so bail out
a61af66fc99e Initial load duke parents: diff changeset	469 // We are assuming that the vtable index does not need change.
a61af66fc99e Initial load duke parents: diff changeset	470 return false;
a61af66fc99e Initial load duke parents: diff changeset	471 }
a61af66fc99e Initial load duke parents: diff changeset	472
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	473 if (_f1 == old_method) {
0 a61af66fc99e Initial load duke parents: diff changeset	474 _f1 = new_method;
a61af66fc99e Initial load duke parents: diff changeset	475 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
a61af66fc99e Initial load duke parents: diff changeset	476 if (!(*trace_name_printed)) {
a61af66fc99e Initial load duke parents: diff changeset	477 // RC_TRACE_MESG macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	478 RC_TRACE_MESG(("adjust: name=%s",
6940 18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass coleenp parents: 6822 diff changeset	479 old_method->method_holder()->external_name()));
0 a61af66fc99e Initial load duke parents: diff changeset	480 *trace_name_printed = true;
a61af66fc99e Initial load duke parents: diff changeset	481 }
a61af66fc99e Initial load duke parents: diff changeset	482 // RC_TRACE macro has an embedded ResourceMark
a61af66fc99e Initial load duke parents: diff changeset	483 RC_TRACE(0x00400000, ("cpc entry update: %s(%s)",
a61af66fc99e Initial load duke parents: diff changeset	484 new_method->name()->as_C_string(),
a61af66fc99e Initial load duke parents: diff changeset	485 new_method->signature()->as_C_string()));
a61af66fc99e Initial load duke parents: diff changeset	486 }
a61af66fc99e Initial load duke parents: diff changeset	487 return true;
a61af66fc99e Initial load duke parents: diff changeset	488 }
a61af66fc99e Initial load duke parents: diff changeset	489
a61af66fc99e Initial load duke parents: diff changeset	490 return false;
a61af66fc99e Initial load duke parents: diff changeset	491 }
a61af66fc99e Initial load duke parents: diff changeset	492
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	493 // a constant pool cache entry should never contain old or obsolete methods
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	494 bool ConstantPoolCacheEntry::check_no_old_or_obsolete_entries() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	495 if (is_vfinal()) {
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	496 // virtual and final so _f2 contains method ptr instead of vtable index
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	497 Metadata* f2 = (Metadata*)_f2;
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	498 // Return false if _f2 refers to an old or an obsolete method.
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	499 // _f2 == NULL \|\| !_f2->is_method() are just as unexpected here.
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	500 return (f2 != NULL NOT_PRODUCT(&& f2->is_valid()) && f2->is_method() &&
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	501 !((Method)f2)->is_old() && !((Method)f2)->is_obsolete());
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	502 } else if (_f1 == NULL \|\|
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	503 (NOT_PRODUCT(_f1->is_valid() &&) !_f1->is_method())) {
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	504 // _f1 == NULL \|\| !_f1->is_method() are OK here
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	505 return true;
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	506 }
22885 367427923e39 8042796: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found sspitsyn parents: 20197 diff changeset	507 // return false if _f1 refers to a non-deleted old or obsolete method
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	508 return (NOT_PRODUCT(_f1->is_valid() &&) _f1->is_method() &&
22885 367427923e39 8042796: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found sspitsyn parents: 20197 diff changeset	509 (f1_as_method()->is_deleted() \|\|
367427923e39 8042796: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found sspitsyn parents: 20197 diff changeset	510 (!f1_as_method()->is_old() && !f1_as_method()->is_obsolete())));
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	511 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	512
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	513 Method* ConstantPoolCacheEntry::get_interesting_method_entry(Klass* k) {
0 a61af66fc99e Initial load duke parents: diff changeset	514 if (!is_method_entry()) {
a61af66fc99e Initial load duke parents: diff changeset	515 // not a method entry so not interesting by default
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	516 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	517 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	518 Method* m = NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	519 if (is_vfinal()) {
a61af66fc99e Initial load duke parents: diff changeset	520 // virtual and final so _f2 contains method ptr instead of vtable index
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	521 m = f2_as_vfinal_method();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	522 } else if (is_f1_null()) {
0 a61af66fc99e Initial load duke parents: diff changeset	523 // NULL _f1 means this is a virtual entry so also not interesting
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	524 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	525 } else {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	526 if (!(_f1->is_method())) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	527 // _f1 can also contain a Klass* for an interface
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	528 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	529 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 5898 diff changeset	530 m = f1_as_method();
0 a61af66fc99e Initial load duke parents: diff changeset	531 }
a61af66fc99e Initial load duke parents: diff changeset	532 assert(m != NULL && m->is_method(), "sanity check");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	533 if (m == NULL \|\| !m->is_method() \|\| (k != NULL && m->method_holder() != k)) {
0 a61af66fc99e Initial load duke parents: diff changeset	534 // robustness for above sanity checks or method is not in
a61af66fc99e Initial load duke parents: diff changeset	535 // the interesting class
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	536 return NULL;
0 a61af66fc99e Initial load duke parents: diff changeset	537 }
a61af66fc99e Initial load duke parents: diff changeset	538 // the method is in the interesting class so the entry is interesting
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	539 return m;
0 a61af66fc99e Initial load duke parents: diff changeset	540 }
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	541 #endif // INCLUDE_JVMTI
0 a61af66fc99e Initial load duke parents: diff changeset	542
a61af66fc99e Initial load duke parents: diff changeset	543 void ConstantPoolCacheEntry::print(outputStream* st, int index) const {
a61af66fc99e Initial load duke parents: diff changeset	544 // print separator
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	545 if (index == 0) st->print_cr(" -------------");
0 a61af66fc99e Initial load duke parents: diff changeset	546 // print entry
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	547 st->print("%3d ("PTR_FORMAT") ", index, (intptr_t)this);
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	548 st->print_cr("[%02x\|%02x\|%5d]", bytecode_2(), bytecode_1(),
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	549 constant_pool_index());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	550 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f1);
5898 f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	551 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_f2);
f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	552 st->print_cr(" [ "PTR_FORMAT"]", (intptr_t)_flags);
f096e1b74d85 7148126: ConstantPoolCacheEntry::print prints to wrong stream dholmes parents: 3938 diff changeset	553 st->print_cr(" -------------");
0 a61af66fc99e Initial load duke parents: diff changeset	554 }
a61af66fc99e Initial load duke parents: diff changeset	555
a61af66fc99e Initial load duke parents: diff changeset	556 void ConstantPoolCacheEntry::verify(outputStream* st) const {
a61af66fc99e Initial load duke parents: diff changeset	557 // not implemented yet
a61af66fc99e Initial load duke parents: diff changeset	558 }
a61af66fc99e Initial load duke parents: diff changeset	559
a61af66fc99e Initial load duke parents: diff changeset	560 // Implementation of ConstantPoolCache
a61af66fc99e Initial load duke parents: diff changeset	561
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	562 ConstantPoolCache* ConstantPoolCache::allocate(ClassLoaderData* loader_data,
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	563 const intStack& index_map,
13056 41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	564 const intStack& invokedynamic_index_map,
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	565 const intStack& invokedynamic_map, TRAPS) {
13056 41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	566
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	567 const int length = index_map.length() + invokedynamic_index_map.length();
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	568 int size = ConstantPoolCache::size(length);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	569
10376 a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG iklam parents: 10152 diff changeset	570 return new (loader_data, size, false, MetaspaceObj::ConstantPoolCacheType, THREAD)
13056 41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	571 ConstantPoolCache(length, index_map, invokedynamic_index_map, invokedynamic_map);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	572 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	573
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	574 void ConstantPoolCache::initialize(const intArray& inverse_index_map,
13056 41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	575 const intArray& invokedynamic_inverse_index_map,
8712 3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors coleenp parents: 8025 diff changeset	576 const intArray& invokedynamic_references_map) {
13056 41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	577 for (int i = 0; i < inverse_index_map.length(); i++) {
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	578 ConstantPoolCacheEntry* e = entry_at(i);
389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	579 int original_index = inverse_index_map[i];
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	580 e->initialize_entry(original_index);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	581 assert(entry_at(i) == e, "sanity");
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	582 }
13056 41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	583
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	584 // Append invokedynamic entries at the end
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	585 int invokedynamic_offset = inverse_index_map.length();
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	586 for (int i = 0; i < invokedynamic_inverse_index_map.length(); i++) {
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	587 int offset = i + invokedynamic_offset;
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	588 ConstantPoolCacheEntry* e = entry_at(offset);
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	589 int original_index = invokedynamic_inverse_index_map[i];
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	590 e->initialize_entry(original_index);
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	591 assert(entry_at(offset) == e, "sanity");
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	592 }
41cb10cbfb3c 8025937: assert(existing_f1 == NULL \|\| existing_f1 == f1) failed: illegal field change coleenp parents: 12946 diff changeset	593
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	594 for (int ref = 0; ref < invokedynamic_references_map.length(); ref++) {
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	595 const int cpci = invokedynamic_references_map[ref];
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	596 if (cpci >= 0) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	597 #ifdef ASSERT
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	598 // invokedynamic and invokehandle have more entries; check if they
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	599 // all point to the same constant pool cache entry.
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	600 for (int entry = 1; entry < ConstantPoolCacheEntry::_indy_resolved_references_entries; entry++) {
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	601 const int cpci_next = invokedynamic_references_map[ref + entry];
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	602 assert(cpci == cpci_next, err_msg_res("%d == %d", cpci, cpci_next));
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	603 }
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	604 #endif
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	605 entry_at(cpci)->initialize_resolved_reference_index(ref);
6822 f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	606 ref += ConstantPoolCacheEntry::_indy_resolved_references_entries - 1; // skip extra entries
f6b0eb4e44cf 7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path twisti parents: 6737 diff changeset	607 }
1059 389049f3f393 6858164: invokedynamic code needs some cleanup (post-6655638) jrose parents: 844 diff changeset	608 }
0 a61af66fc99e Initial load duke parents: diff changeset	609 }
a61af66fc99e Initial load duke parents: diff changeset	610
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	611 #if INCLUDE_JVMTI
0 a61af66fc99e Initial load duke parents: diff changeset	612 // RedefineClasses() API support:
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	613 // If any entry of this ConstantPoolCache points to any of
0 a61af66fc99e Initial load duke parents: diff changeset	614 // old_methods, replace it with the corresponding new_method.
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	615 void ConstantPoolCache::adjust_method_entries(InstanceKlass* holder, bool * trace_name_printed) {
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	616 for (int i = 0; i < length(); i++) {
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	617 ConstantPoolCacheEntry* entry = entry_at(i);
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	618 Method* old_method = entry->get_interesting_method_entry(holder);
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	619 if (old_method == NULL \|\| !old_method->is_old()) {
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	620 continue; // skip uninteresting entries
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	621 }
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	622 if (old_method->is_deleted()) {
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	623 // clean up entries with deleted methods
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	624 entry->initialize_entry(entry->constant_pool_index());
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	625 continue;
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	626 }
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	627 Method* new_method = holder->method_with_idnum(old_method->orig_method_idnum());
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	628
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	629 assert(new_method != NULL, "method_with_idnum() should not be NULL");
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	630 assert(old_method != new_method, "sanity check");
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	631
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	632 entry_at(i)->adjust_method_entry(old_method, new_method, trace_name_printed);
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	633 }
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	634 }
fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	635
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	636 // the constant pool cache should never contain old or obsolete methods
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	637 bool ConstantPoolCache::check_no_old_or_obsolete_entries() {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	638 for (int i = 1; i < length(); i++) {
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	639 if (entry_at(i)->get_interesting_method_entry(NULL) != NULL &&
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	640 !entry_at(i)->check_no_old_or_obsolete_entries()) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	641 return false;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	642 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	643 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	644 return true;
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	645 }
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	646
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	647 void ConstantPoolCache::dump_cache() {
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	648 for (int i = 1; i < length(); i++) {
22886 fdde6a70ea85 8046246: the constantPoolCacheOopDesc::adjust_method_entries() used in RedefineClasses does not scale sspitsyn parents: 22885 diff changeset	649 if (entry_at(i)->get_interesting_method_entry(NULL) != NULL) {
8021 8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	650 entry_at(i)->print(tty, i);
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	651 }
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	652 }
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	653 }
8d9fc28831cc 7182152: Instrumentation hot swap test incorrect monitor count dcubed parents: 6985 diff changeset	654 #endif // INCLUDE_JVMTI
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	655
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	656
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	657 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	658
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	659 void ConstantPoolCache::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	660 assert(is_constantPoolCache(), "obj must be constant pool cache");
17937 78bbf4d43a14 8037816: Fix for 8036122 breaks build with Xcode5/clang drchase parents: 14443 diff changeset	661 st->print_cr("%s", internal_name());
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	662 // print constant pool cache entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	663 for (int i = 0; i < length(); i++) entry_at(i)->print(st, i);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	664 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	665
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	666 void ConstantPoolCache::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	667 assert(is_constantPoolCache(), "obj must be constant pool cache");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	668 st->print("cache [%d]", length());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	669 print_address_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	670 st->print(" for ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	671 constant_pool()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	672 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	673
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	674
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	675 // Verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	676
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	677 void ConstantPoolCache::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	678 guarantee(is_constantPoolCache(), "obj must be constant pool cache");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	679 // print constant pool cache entries
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	680 for (int i = 0; i < length(); i++) entry_at(i)->verify(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	681 }

Mercurial > hg > graal-jvmci-8

annotate src/share/vm/oops/cpCache.cpp @ 24170:0b85ccd62409 jdk8u131-b01